CN102966256A - Manufacturing method of anti-corrosion large-bending moment concrete telegraph pole along sea beach area - Google Patents
Manufacturing method of anti-corrosion large-bending moment concrete telegraph pole along sea beach area Download PDFInfo
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- CN102966256A CN102966256A CN2012104267807A CN201210426780A CN102966256A CN 102966256 A CN102966256 A CN 102966256A CN 2012104267807 A CN2012104267807 A CN 2012104267807A CN 201210426780 A CN201210426780 A CN 201210426780A CN 102966256 A CN102966256 A CN 102966256A
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Abstract
The invention discloses a manufacturing method of an anti-corrosion large-bending moment concrete telegraph pole along a sea beach area; the concrete telegraph pole is manufactured into a tower-type cylinder by a threaded reinforcing steel bar skeleton, wherein combinations with five lengths (12 pieces with the diameter being 10.7mm and the length being 12.0m, 4 pieces with the diameter being 16mm and the length being 11.85m, 4 pieces with the diameter being 16mm and the length being 9m, 4 pieces with the diameter being 16mm and the length being 6m, 4 pieces with the diameter being 16mm and the length being 6m and 5 pieces with the diameter being 16mm and the length being 3m) are distributed uniformly from bottom to top, and steel wires are wound into the tower-type cylindrical reinforcing steel bar skeleton; the reinforcing steel bar skeleton is put into a telegraph pole mould; the concrete in a is put into the telegraph pole mould; and the reinforcing steel bar skeleton is integrated with the concrete by rotary centrifugal formation, and the cylindrical telegraph pole with the diameter of the lower end being 4.70mm, the diameter of the upper end being 310mm, the wall thickness being 60mm, and the length being 12m is manufactured.
Description
Technical field
The present invention relates to the power supply engineering technical field, specifically a kind of preparation method that is adapted to the anticorrosive large moment of flexure wire pole in coastal beach area solves perishable, the easy fracture problem of coastal beach area overhead wire concurrent.
Background technology
Continuous expansion along with the oilfield exploitation zone, the mains supply scope is increasing, only Shengli Oil Field has now formed take the 220kV network as framework, the 110kV network is major network, each oil of 35kV network distribution is distinguished, 1905 of 6 (10) kV-220kV electric lines, and total length is km more than totally 15000.
The electric pole that now adopts adopts the requirement of national standard " annular concrete electric pole " (GB/T 4623-2006), the overhead wire of 6 (10) kV adopts 03D103 " 10kV and following overhead wire are installed ", what 35kV and 110kV adopted is the modular design drawing, electric pole adopts all is mode with backguy, and corrosion resistance is poor.
Current overhead wire design work Main Problems:
(1) because Hai You district, beach saline and alkaline is high, and environment is abominable, many electric poles and backguy long period of soaking cause the corrosion of bar base in the overhead wire design in water, the UT of windproof backguy and backguy seriously corroded, the phenomenon that has even disconnected thigh occurs.
(2) coastal beach local wind force rate is larger, if run into bad weather, adds that the time limit of circuit operation is long, and the electric pole fracture occurs easily, therefore fundamentally needs anti-corrosive concrete pole with big bending moment.
Summary of the invention
The purpose of this invention is to provide a kind of preparation method that is applicable to the anticorrosive large moment of flexure concrete wire in coastal beach area, overcome the defective that above-mentioned prior art exists.
Technical scheme of the present invention is achieved in the following ways:
The present invention includes the making with concrete wire of selecting of concrete prescription, reinforcing bar, it is characterized in that:
A, concrete mass fraction prescription are cement: yellow ground: stone: water: additive=100-110:96-100:212-220:34-36:0.5-0.7, wherein cement grade is 62.5R, yellow ground comprises medium sand and coarse sand, and fineness modulus is 2.3-3.0, meets GB175-1999, stone is the building rubble, particle diameter is 5-20mm, faller gill shape particle＜15% wherein, mud content＜0.5%, crush values＜20% meets the GB/T14685-2001 standard; Additive is reinforcing steel bar corrosion inhibitor and high efficiency water reducing agent, and both mass fractions are than being 2:3, wet concentration tap water;
The making of b, concrete wire
Concrete wire adopts the indented bars carcassing to become tower cylindrical, be 10.7mm by diameter, length is 12.0m, radical is 12, diameter is 16mm, length is 11.85m, radical is 4, diameter is 16mm, length is 9m, radical is 4, diameter is 16mm, length is 6m, radical is 4, diameter is 16mm, length is 6m, radical is 4, diameter is 16mm, length is 3m, radical is that five kinds of length combination of 5 are uniform from bottom to top, become tower cylindrical reinforcement frame by steel wire winding, cage of reinforcement is inserted in the electric pole mould, concrete among the above-mentioned a is inserted in the electric pole mould, in the mode of rotating centrifugal moulding, cage of reinforcement and concrete are integrally combined, making lower end diameter is 4.70mm, upper end diameter is 310mm, wall thickness 60mm, length is the cylindrical electric pole of 12m;
Periphery in the scope of the above 1m in concrete wire bottom and interior week pursue order and scribble seal coat, epoxy coating and polyurethane coating.
Available concrete wire preparation method of the present invention is produced the concrete wire of the different size series length of 12m-27m.
Compared with the prior art the present invention has improved electric pole tension moment of flexure, brings up to 156KNM by 78KNM, owing to dosed corrosion-resistant additive and high efficiency water reducing agent has improved the corrosion-resistant intensity of reinforcing bar, has prevented the fracture of electric pole, has improved application life.The whole 30-50% that reduces the overhead wire cost
Description of drawings
Fig. 1-structural representation of the present invention;
The steel frame of Fig. 2-Fig. 1 launches schematic diagram;
The 1-diameter is the 10.7mm reinforcing bar among the figure, 2,3,4, the 5-bar diameter is the 16mm reinforcing bar.
The specific embodiment
For further disclosing technical scheme of the present invention, elaborate by embodiment below in conjunction with Figure of description:
The present invention includes the making with concrete wire of selecting of concrete prescription, reinforcing bar, it is characterized in that:
A, concrete mass fraction prescription are cement: yellow ground: stone: water: additive=100-110:96-100:212-220:34-36:0.5-0.7, wherein cement grade is 62.5R, yellow ground comprises medium sand and coarse sand, and fineness modulus is 2.3-3.0, meets GB175-1999, stone is the building rubble, particle diameter is 5-20mm, faller gill shape particle＜15% wherein, mud content＜0.5%, crush values＜20% meets the GB/T14685-2001 standard; Additive is that reinforcing steel bar corrosion inhibitor and high efficiency water reducing agent mass fraction ratio are 2:3, wet concentration tap water;
The making of b, concrete wire
Concrete wire adopts the indented bars carcassing to become tower cylindrical, be 10.7mm by diameter, length is 12.0m, radical is 12, diameter is 16mm, length is 11.85m, radical is 4, diameter is 16mm, length is 9m, radical is 4, diameter is 16mm, length is 6m, radical is 4, diameter is 16mm, length is 6m, radical is 4, diameter is 16mm, length is 3m, radical is that five kinds of length combination of 5 are uniform from bottom to top, become tower cylindrical reinforcement frame by steel wire winding, cage of reinforcement is inserted in the electric pole mould, concrete among the above-mentioned a is inserted in the electric pole mould, in the mode of rotating centrifugal moulding, cage of reinforcement and concrete are integrally combined, making lower end diameter is 4.70mm, upper end diameter is 310mm, wall thickness 60mm, length is the cylindrical electric pole of 12m; Periphery in the scope of the above 1m in concrete wire bottom and interior week pursue order and scribble seal coat, epoxy coating and polyurethane coating.
The cement 62.5R that selects will meet 3 days Qiang Du＞=32.0MPa, 28 days Qiang Du＞=62.5MPa, the technical requirements of the rich amount of intensity 20-40%.
The reinforcing steel bar corrosion inhibitor of selecting, the concrete performance that will satisfy preparation after dosing are wanted height, anti-seawater, anti-saline alkali corrosion, can improve the concrete workability, are improved concrete density; Diminishing Shuai＜=1.8%, compressive strength rate 28 Tian＜=100% meets the standard of GB8076-1997,
The concrete wire molding procedure is:
Straightening fixed length after the reinforcing bar wire drawing is through checking the laggard skeleton forming operation that enters.Strict control frame welding quality, the cleaning electric bar mould is inserted skeleton.Sandstone should be sieved and washed cleaning by process stipulation, and high-strength cement carries out projection electronic weighing and also on request volume and the high efficiency water reducing agent of cement consumption entered the concrete-agitating operation.Centrifugal forming, stream curing after reinforced.Centrifugal and the steam curing process of strict implement, control centrifugation time and stream curing time.Should carry out the examination and test of products after the electric pole demoulding, in accordance with regulations product be identified, stack in product introduction finished product place.In whole product processes flow process, must carry out on request the control of strict quality control, particularly critical process point to each process procedure, meet the product technology standard-required to guarantee product.
By the end of in August, 2012, this invention has obtained application in the old 168 construction of oilfield productivity 35kV overhead wire projects in Shengli Oil Field stake oil recovery factory, west, obtain preferably economic benefit and social benefit.
Claims (3)
1. the preparation method of the anticorrosive large moment of flexure concrete wire in coastal beach area comprises the making with concrete wire of selecting of concrete prescription, reinforcing bar, it is characterized in that:
A, concrete mass fraction prescription are cement: yellow ground: stone: water: additive=100-110:96-100:212-220:34-36:0.5-0.7, wherein cement grade is 62.5R, yellow ground comprises medium sand and coarse sand, and fineness modulus is 2.3-3.0, meets GB175-1999, stone is the building rubble, particle diameter is 5-20mm, faller gill shape particle＜15% wherein, mud content＜0.5%, crush values＜20% meets the GB/T14685-2001 standard; Additive is reinforcing steel bar corrosion inhibitor and high efficiency water reducing agent, and both mass fractions are than being 2:3, wet concentration tap water;
The making of b, concrete wire
Concrete wire adopts the indented bars carcassing to become tower cylindrical, be 10.7mm by diameter, length is 12.0m, radical is 12, diameter is 16mm, length is 11.85m, radical is 4, diameter is 16mm, length is 9m, radical is 4, diameter is 16mm, length is 6m, radical is 4, diameter is 16mm, length is 6m, radical is 4, diameter is 16mm, length is 3m, radical is that five kinds of length combination of 5 are uniform from bottom to top, become tower cylindrical reinforcement frame by steel wire winding, cage of reinforcement is inserted in the electric pole mould, concrete among the above-mentioned a is inserted in the electric pole mould, in the mode of rotating centrifugal moulding, cage of reinforcement and concrete are integrally combined, making lower end diameter is 4.70mm, upper end diameter is 310mm, wall thickness 60mm, length is the cylindrical electric pole of 12m.
2. the preparation method of the anticorrosive large moment of flexure concrete wire in coastal beach area according to claim 1, it is characterized in that: the periphery in the scope of the above 1m in concrete wire bottom and interior week pursue order and scribble seal coat, epoxy coating and polyurethane coating.
3. the preparation method of the anticorrosive large moment of flexure concrete wire in coastal beach area according to claim 1, it is characterized in that: available concrete wire preparation method of the present invention, produce the concrete wire of the different size series length of 12m-27m.
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| CN201210426780.7A CN102966256B (en) | 2012-10-31 | 2012-10-31 | Manufacturing method of anti-corrosion large-bending moment concrete telegraph pole along sea beach area |
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| CN201210426780.7A CN102966256B (en) | 2012-10-31 | 2012-10-31 | Manufacturing method of anti-corrosion large-bending moment concrete telegraph pole along sea beach area |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104099952A (en) * | 2014-07-22 | 2014-10-15 | 国家电网公司 | Freezing-expansion proofing method for concrete wire poles |
| CN105971368A (en) * | 2016-06-29 | 2016-09-28 | 广西凯威铁塔有限公司 | Production method for cement utility pole coated with weather-resistant artificial tree bark |
| CN106121345A (en) * | 2016-06-29 | 2016-11-16 | 广西凯威铁塔有限公司 | The manufacture method of emulation concrete wire pole |
| CN106182400A (en) * | 2016-06-29 | 2016-12-07 | 广西凯威铁塔有限公司 | The manufacture method of flame retardant type artificial tree bark concrete wire pole |
| CN110593632A (en) * | 2019-08-27 | 2019-12-20 | 宿州市众力保温节能材料股份有限公司 | Composite material telegraph pole in coastal beach area |
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| KR20050067006A (en) * | 2004-12-15 | 2005-06-30 | 주식회사 삼성산업 | Composition and method for manufacturing high strengthen concrete electric pole |
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| US20040139685A1 (en) * | 2003-01-21 | 2004-07-22 | Rosenberg Jean Gabriel | Pylonflex |
| CN2698911Y (en) * | 2004-06-07 | 2005-05-11 | 河南鼎力钢杆股份有限公司 | High-performance anti-corrosive concrete pole with big bending moment |
| KR20050067006A (en) * | 2004-12-15 | 2005-06-30 | 주식회사 삼성산업 | Composition and method for manufacturing high strengthen concrete electric pole |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104099952A (en) * | 2014-07-22 | 2014-10-15 | 国家电网公司 | Freezing-expansion proofing method for concrete wire poles |
| CN105971368A (en) * | 2016-06-29 | 2016-09-28 | 广西凯威铁塔有限公司 | Production method for cement utility pole coated with weather-resistant artificial tree bark |
| CN106121345A (en) * | 2016-06-29 | 2016-11-16 | 广西凯威铁塔有限公司 | The manufacture method of emulation concrete wire pole |
| CN106182400A (en) * | 2016-06-29 | 2016-12-07 | 广西凯威铁塔有限公司 | The manufacture method of flame retardant type artificial tree bark concrete wire pole |
| CN110593632A (en) * | 2019-08-27 | 2019-12-20 | 宿州市众力保温节能材料股份有限公司 | Composite material telegraph pole in coastal beach area |
| CN110593632B (en) * | 2019-08-27 | 2021-04-23 | 安徽诺乐知识产权服务有限公司 | Composite material telegraph pole in coastal beach area |
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